CN102909526B - Method for manufacturing trench cover plate - Google Patents
Method for manufacturing trench cover plate Download PDFInfo
- Publication number
- CN102909526B CN102909526B CN201210309149.9A CN201210309149A CN102909526B CN 102909526 B CN102909526 B CN 102909526B CN 201210309149 A CN201210309149 A CN 201210309149A CN 102909526 B CN102909526 B CN 102909526B
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- China
- Prior art keywords
- punching
- mould
- angle
- flanging
- corrosion resistant
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- 238000000034 method Methods 0.000 title claims abstract description 46
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 238000004080 punching Methods 0.000 claims abstract description 45
- 238000005260 corrosion Methods 0.000 claims abstract description 29
- 230000007797 corrosion Effects 0.000 claims abstract description 29
- 238000009434 installation Methods 0.000 claims description 11
- 239000000047 product Substances 0.000 claims description 9
- 239000004698 Polyethylene Substances 0.000 claims description 5
- 238000005553 drilling Methods 0.000 claims description 5
- 229920000573 polyethylene Polymers 0.000 claims description 5
- 238000005498 polishing Methods 0.000 claims description 4
- -1 polyethylene Polymers 0.000 claims description 4
- 238000010008 shearing Methods 0.000 claims description 4
- 239000002699 waste material Substances 0.000 claims description 3
- 239000006227 byproduct Substances 0.000 claims description 2
- 238000010030 laminating Methods 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 abstract description 12
- 239000010935 stainless steel Substances 0.000 abstract description 12
- 239000000463 material Substances 0.000 abstract description 2
- 238000005520 cutting process Methods 0.000 abstract 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Sewage (AREA)
- Punching Or Piercing (AREA)
Abstract
The invention provides a method for manufacturing a trench cover plate. The method comprises the following steps of: providing a stainless steel plate; a cutting procedure: cutting the selected stainless steel plate by a plate cutting machine in the length direction according to the specification of a product; an angle punching procedure: adjusting an angle punching mould size, checking the size of the stainless steel plate, and putting the cut stainless steel plate on the angle punching mould for performing angle punching; a punching procedure: checking whether a punching needle of the mould is normal, and putting the stainless steel plate subjected to angle punching on a punching mould for punching if the punching needle of the mould is normal; a stretching procedure: stretching the stainless steel plate subjected to the punching to improve the size accuracy; and an edge-folding procedure: selecting edge folding equipment after the stainless steel plate is stretched, and folding the stainless steel plate. By the method, the stainless steel material is formed at one time, so that the cover plate is firm, durable and attractive. The trench cover plate manufactured by the method can drain accumulated water in time, and is corrosion-resistant and pollution-free.
Description
Technical field
The present invention relates to a kind of manufacture method of trench cover plate, particularly relate to a kind of manufacture method of stainless steel trench cover plate.
Background technology
Trench cover plate kind is a lot of in the market, has: cast iron flat, composite cover plate for manhole, plastic cover plate, concrete cover etc. in China.Cast iron flat, concrete cover heaviness are coarse, and plastic cover plate, composite cover plate for manhole are perishable.Seriously, the lower mouth of a river easily blocks, and makes excess surface water for conventional cover plate and tank internal contamination, produces peculiar smell, causes surrounding enviroment to worsen.The reason of these problems is caused to be that the manufacture method of trench cover plate is for many years simple and crude, coarse.
General manufacture method has two classes:
After Fig. 1 one is blanking, directly welds, then grind, mopping, in this technique, welding makes cover plate entirety insecure, and easily leak, corrode, the cover plate produced also gets rusty easily;
If Fig. 2 another kind welds after blanking, then heat-treat, after heat treatment, do zinc-plated process, finally grind, mopping.Heat treatment makes cover plate hardness strengthen, and zinc-plated process makes cover plate not easily get rusty, but still cannot solve the perishable easy blocking of cover plate, produces peculiar smell, the problem of contaminated environment.And heat treatment has requirement to temperature and pressure, complex steps.
Summary of the invention
The object of the present invention is to provide a kind of preparation method being applicable to the trench cover plate of the environment of the easy ponding such as shower house.
The technical scheme solved the problem is: a kind of manufacture method of trench cover plate, adopts following method step:
A manufacture method for trench cover plate, is characterized in that adopting following method step:
One corrosion resistant plate is provided;
Cut operation: by selected corrosion resistant plate, by length direction, with product specification, cut with plate shearing machine;
Angle of attack operation: adjustment angle of attack die size, checks corrosion resistant plate size, the corrosion resistant plate cut is placed on the angle of attack on angle of attack mould;
Punching operation: check that whether mould red needle is normal, if normally, the corrosion resistant plate through the angle of attack is placed on punching on punching die, check whether the bottom corrosion resistant plate in the hole rushed is wide at the top and narrow at the bottom is if so, then qualified;
Stretching process: stretched by the corrosion resistant plate through punching, improves accuracy to size;
Flanging operation: after stretching, chooses flanging device, by corrosion resistant plate flanging.
After punching operation, flanging operation, also need:
Grinding step: by product by size, polish with thickness frosted skin.
Before stretching process, also to carry out:
Grid installation procedure: install filter grid after punching.
After stretching process, also to carry out:
Punching press skid-proof point operation: check skid-proof point and product spacing, adjustment mould, punching press skid-proof point.
After flanging operation, also to carry out:
Drilling process: punch on the base of be converted into flanging after flanging.
After drilling process, also to carry out:
Rubber blanket installation procedure: load onto rubber blanket on flanging base, the hole one_to_one corresponding on the tenon on rubber blanket and flanging base.
The invention has the advantages that and adopt stainless steel material one-shot forming, make cover plate firm, durable, attractive in appearance, and to the not special requirement of manufacturing environment, technique is simple, is easy to realize, and is suitable for widely using.The osculum arrangement rushed closely, makes ponding can be emptying in time, hygienic environment-protecting.Two slat gum bars on the base of the L shape flanging of product using this method to produce serve the effect of sound insulation damping, and people is passed by noiseless; The setting of anti-skidding convex grain, can not only prevent away superincumbent people to slip and also add the aesthetic feeling of cover plate; The installation of polyethylene screen pack makes product corrosion-resistant, and the sewage flow through can not hang over aperture, also not easily overflow, prevents contaminated.
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is the flow chart of prior art one of the present invention;
Fig. 2 is the flow chart of prior art two of the present invention;
Fig. 3 is the flow chart of the present invention's preferred embodiment;
The perspective view of the product that Fig. 4 manufactures for method shown in Fig. 3.
Detailed description of the invention
The manufacture method of a kind of trench cover plate provided by the present invention, the steps include:
Sawing sheet, when getting corrosion resistant plate with steel tape measure, checking of dimensions, see whether be required specification.
Then enter and cut operation, by plate shearing machine adjustment numerical control size, again check required corrosion resistant plate size, by length direction, corrosion resistant plate is cut into required specification.
Then enter angle of attack operation, first adjust angle of attack die size, checking of dimensions needs repeated measurement twice, confirm errorless after, carry out the angle of attack.Check that whether institute's angle of attack is jagged simultaneously, if burr is in normal work difference scope, then continue; If exceed work difference scope, then stop, adjustment die gap.
Then punching operation is entered, choose die needed red needle, check that the gap of mould red needle patrix and lower intermode is whether in critical field, if in critical field, then first use waste material punching twice, as all normally then carry out punching, check whether the bottom corrosion resistant plate in the hole rushed is wide at the top and narrow at the bottom, if so, then qualified.
After punching operation, carry out screen pack installation procedure, the screen pack chosen is arranged in rushed hole, check whether it fits closely with rushed hole.
Then enter stretching process, the corrosion resistant plate through punching is stretched, improve accuracy to size.
Enter punching press skid-proof point operation after stretching, check skid-proof point mould and corrosion resistant plate spacing, measure its spacing with mould scale, make each skid-proof point spacing the same, then carry out punching press.
Then enter grinding step, carry out impulse-free robustness process to gone out leaking hole, adopt thickness rubber, polishing is to smooth repeatedly.
Then enter flanging operation, choose flanging device, by the size of the flanging required for gage measuring, reexamine L shape perpendicularity, check that gap is whether within standard error scope, if within critical field, then carries out flanging with angle square.
Again grinding step is entered, by discharge neat for product on a mobile platform with sander process burr, until smooth after flanging.
Grinding enters drilling process later, namely punches on the base of be converted into flanging.
Then enter rubber blanket installation procedure, namely on flanging base, load onto rubber blanket, the hole one_to_one corresponding on the tenon on rubber blanket and flanging base.
In order to deepen the understanding of the present invention, below in conjunction with specific embodiment, the invention will be further described, and this embodiment only for explaining the present invention, does not form limiting the scope of the present invention.
See Fig. 3, Fig. 4, getting thickness is 1.5mm corrosion resistant plate, by steel tape measurement, checking of dimensions, sees whether be required specification.
Then enter and cut operation, by plate shearing machine adjustment numerical control size, again check required corrosion resistant plate size, by length direction, corrosion resistant plate is cut into the specification of wide 80mm.
Then enter angle of attack operation, first adjust angle of attack die size, checking of dimensions needs repeated measurement twice, confirm errorless after, carry out the angle of attack.Check that whether the angle rushed is jagged simultaneously, if burr is in normal work difference scope, then continue; If exceed work difference scope, then stop, adjustment die gap.
Then punching operation is entered, choose kidney-shaped mould red needle, check that the gap of mould red needle patrix and lower intermode is whether in critical field, if in critical field, then first uses waste material punching twice, as all normally then carry out punching, the stainless steel parts that punching is gone out is not cut out, but stays the bottom in hole, makes ponding easily dirty like this, can not aperture be hung over, namely make ponding easy to be emptying free from environmental pollution.
After punching operation, carry out filter grid installation procedure, choose polyethylene filter grid, polyethylene filter grid is arranged in rushed hole, check whether it fits closely with rushed hole, if laminating is closely, qualified, can next process be carried out.Polyethylene filter grid can prevent the corrosion of greasy dirt, and the up big and down small design of its network interface makes garbage leachate not easily overflow contaminated environment.
Then enter stretching process, the corrosion resistant plate through punching is stretched, improve accuracy to size.
Enter punching press skid-proof point operation after stretching, choose circular skid-proof point mould and oval skid-proof point mould, check each mould and corrosion resistant plate spacing, measure its spacing with mould scale, make each skid-proof point spacing the same, then carry out punching press.Punching press skid-proof point not only serves anti-skidding effect, also makes the cover plate made more attractive in appearance, makes user's popular feeling happy.
Then enter grinding step, carry out impulse-free robustness process to gone out leaking hole, adopt thickness rubber, polishing is to smooth repeatedly.
Then enter flanging operation, choose flanging device, by the size of the flanging required for gage measuring, reexamine L shape perpendicularity, check that gap is whether within standard error scope, if within critical field, then carries out flanging with angle square.L shape flanging is more firm after product is installed, difficult drop-off.
Again grinding step is entered, by discharge neat for product on a mobile platform with sander process burr, until smooth after flanging.
Grinding enters drilling process later, namely punches on the base of be converted into flanging.
Then enter rubber blanket installation procedure, namely on flanging base, load onto rubber blanket, the hole one_to_one corresponding on the tenon on rubber blanket and flanging base.The installation of rubber blanket effectively reduces noise pollution, can accomplish that people passes by without sound.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (2)
1. a manufacture method for trench cover plate, its manufacture method comprises:
One corrosion resistant plate is provided;
Cut operation: by the corrosion resistant plate chosen, by plate shearing machine adjustment numerical control size, by length direction, corrosion resistant plate is cut into product specification;
Angle of attack operation: adjustment angle of attack die size, check corrosion resistant plate size, the corrosion resistant plate cut is placed on the angle of attack on angle of attack mould, check that whether the described angle of attack is jagged, if jagged and burr in normal tolerance range, then continues the angle of attack, as jagged and burr exceedes the margin of tolerance, then stop the angle of attack, again adjust die gap;
Punching operation: choose kidney-shaped mould red needle, checks that the gap of mould red needle patrix and lower intermode is whether in critical field, if in critical field, then first uses waste material punching twice, if normally, then carries out punching, nubbin after reservation punching;
Filter grid installation procedure: choose polyethylene screen pack, is arranged in punching by described screen pack, and whether checked filter screen fits closely with punching, if laminating closely, then qualified;
Stretching process: corrosion resistant plate is stretched;
Punching press skid-proof point operation: choose circular skid-proof point mould and oval skid-proof point mould, check described skid-proof point mould and oval skid-proof point mould and corrosion resistant plate spacing, measure its spacing with mould scale, make each skid-proof point spacing the same, then carry out punching press;
First grinding step: the polishing of thickness rubber is carried out to punching, polishing is to smooth repeatedly;
Flanging operation: determine hem dimensions, uses flanging device flanging, checks L shape flanging perpendicularity, checks gap whether within standard error scope, if within critical field, then carry out flanging with angle square;
Second grinding step: be thrown into by product on mobile platform, with sander process burr until smooth;
Drilling process: in the punching of described flanging base;
Rubber blanket installation procedure: load onto rubber blanket on flanging base, the hole one_to_one corresponding on the tenon on rubber blanket and flanging base.
2. according to the manufacture method of the trench cover plate described in claim 1, it is characterized in that: the network interface of the screen pack in described filter grid installation procedure is big up and small down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210309149.9A CN102909526B (en) | 2012-08-28 | 2012-08-28 | Method for manufacturing trench cover plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210309149.9A CN102909526B (en) | 2012-08-28 | 2012-08-28 | Method for manufacturing trench cover plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102909526A CN102909526A (en) | 2013-02-06 |
| CN102909526B true CN102909526B (en) | 2015-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210309149.9A Expired - Fee Related CN102909526B (en) | 2012-08-28 | 2012-08-28 | Method for manufacturing trench cover plate |
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| Country | Link |
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| CN (1) | CN102909526B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104227343B (en) * | 2014-08-18 | 2017-10-17 | 衢州熊妮妮计算机科技有限公司 | A kind of preparation method of braking accelerator combination |
| CN105522331B (en) * | 2014-09-30 | 2017-11-21 | 江苏东奇标准件有限公司 | A kind of moulding process of metal cap |
| CN104801928B (en) * | 2015-03-30 | 2017-03-08 | 陕西艾多特照明有限公司 | A kind of processing molding method of aluminium alloy lamp body |
| CN109746634A (en) * | 2017-11-05 | 2019-05-14 | 丹阳市景顺塑料制品有限公司 | A kind of production technology of large size oil drum oil pumping pump cover |
| CN114260648B (en) * | 2021-12-04 | 2024-03-08 | 佛山市顺德区天伦实业有限公司 | Forming process of aluminum filter screen of range hood |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2830544Y (en) * | 2005-08-10 | 2006-10-25 | 谢志忠 | Improved ditch cover |
| CN2851386Y (en) * | 2005-08-22 | 2006-12-27 | 上海奥豪金属制品有限公司 | Stainless steel sewer cover plate |
| CN201128944Y (en) * | 2007-11-09 | 2008-10-08 | 卞建 | Sewer anti-pollution cover |
| CN201507028U (en) * | 2009-10-09 | 2010-06-16 | 上海旋顺标准件厂 | a trench cover |
| CN202190047U (en) * | 2011-07-16 | 2012-04-11 | 江立宏 | Fabricated steel ground cable channel |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7066685B2 (en) * | 2004-04-14 | 2006-06-27 | Aco Polymer Products, Inc. | Drainage grate |
-
2012
- 2012-08-28 CN CN201210309149.9A patent/CN102909526B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2830544Y (en) * | 2005-08-10 | 2006-10-25 | 谢志忠 | Improved ditch cover |
| CN2851386Y (en) * | 2005-08-22 | 2006-12-27 | 上海奥豪金属制品有限公司 | Stainless steel sewer cover plate |
| CN201128944Y (en) * | 2007-11-09 | 2008-10-08 | 卞建 | Sewer anti-pollution cover |
| CN201507028U (en) * | 2009-10-09 | 2010-06-16 | 上海旋顺标准件厂 | a trench cover |
| CN202190047U (en) * | 2011-07-16 | 2012-04-11 | 江立宏 | Fabricated steel ground cable channel |
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| CN102909526A (en) | 2013-02-06 |
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